-- ===================================================================
-- test recursive planning functionality on prepared statements
-- ===================================================================
CREATE SCHEMA subquery_prepared_statements;
SELECT run_command_on_workers('CREATE SCHEMA subquery_prepared_statements;');
       run_command_on_workers        
-------------------------------------
 (localhost,57637,t,"CREATE SCHEMA")
 (localhost,57638,t,"CREATE SCHEMA")
(2 rows)

SET search_path TO subquery_prepared_statements, public;
CREATE TYPE subquery_prepared_statements.xy AS (x int, y int);
SET client_min_messages TO DEBUG1;
PREPARE subquery_prepare_without_param AS 
SELECT
   DISTINCT values_of_subquery
FROM
    (SELECT 
      DISTINCT (users_table.user_id, events_table.event_type)::xy  as values_of_subquery
     FROM 
      users_table, events_table 
     WHERE 
      users_table.user_id = events_table.user_id AND 
     event_type IN (1,2,3,4)
     ORDER BY 1 DESC LIMIT 5
     ) as foo
    ORDER BY 1 DESC;
PREPARE subquery_prepare_param_on_partkey(int) AS 
SELECT
   DISTINCT values_of_subquery
FROM
    (SELECT 
      DISTINCT (users_table.user_id, events_table.event_type)::xy  as values_of_subquery
     FROM 
      users_table, events_table 
     WHERE 
      users_table.user_id = events_table.user_id AND
      (users_table.user_id = $1 OR users_table.user_id = 2) AND
     event_type IN (1,2,3,4)
     ORDER BY 1 DESC LIMIT 5
     ) as foo
    ORDER BY 1 DESC;
PREPARE subquery_prepare_param_non_partkey(int) AS 
SELECT
   DISTINCT values_of_subquery
FROM
    (SELECT 
      DISTINCT (users_table.user_id, events_table.event_type)::xy  as values_of_subquery
     FROM 
      users_table, events_table 
     WHERE 
      users_table.user_id = events_table.user_id AND 
     event_type = $1
     ORDER BY 1 DESC LIMIT 5
     ) as foo
    ORDER BY 1 DESC;
-- execute each test with 6 times
EXECUTE subquery_prepare_without_param;
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 1_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 1 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('1_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_without_param;
 values_of_subquery 
--------------------
 (6,4)
 (6,3)
 (6,2)
 (6,1)
 (5,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 3_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 3 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('3_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 5_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 5 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('5_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 7_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 7 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('7_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 9_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 9 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('9_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 11_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 11 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('11_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_on_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 14_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND ((users_table.user_id OPERATOR(pg_catalog.=) 1) OR (users_table.user_id OPERATOR(pg_catalog.=) 2)) AND (events_table.event_type OPERATOR(pg_catalog.=) ANY (ARRAY[1, 2, 3, 4]))) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 14 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('14_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (2,4)
 (2,3)
 (2,2)
 (2,1)
 (1,4)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 16_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 16 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('16_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 18_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 18 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('18_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 20_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 20 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('20_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 22_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 22 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('22_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 24_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 24 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('24_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

EXECUTE subquery_prepare_param_non_partkey(1);
DEBUG:  push down of limit count: 5
DEBUG:  generating subplan 27_1 for subquery SELECT DISTINCT ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy AS values_of_subquery FROM public.users_table, public.events_table WHERE ((users_table.user_id OPERATOR(pg_catalog.=) events_table.user_id) AND (events_table.event_type OPERATOR(pg_catalog.=) 1)) ORDER BY ROW(users_table.user_id, events_table.event_type)::subquery_prepared_statements.xy DESC LIMIT 5
DEBUG:  Plan 27 query after replacing subqueries and CTEs: SELECT DISTINCT values_of_subquery FROM (SELECT intermediate_result.values_of_subquery FROM read_intermediate_result('27_1'::text, 'text'::citus_copy_format) intermediate_result(values_of_subquery subquery_prepared_statements.xy)) foo ORDER BY values_of_subquery DESC
 values_of_subquery 
--------------------
 (6,1)
 (5,1)
 (4,1)
 (3,1)
 (2,1)
(5 rows)

SET client_min_messages TO DEFAULT;
DROP SCHEMA subquery_prepared_statements CASCADE;
NOTICE:  drop cascades to type xy
SET search_path TO public;